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Hello, I'm running Windows 8 64b with the latest ZA version, extreme flavour. I'm experiencing random data corruptions when communicating over the Internet: mail attachments, file downloads, html pages. Stopping ZA stops the corruptions. Yes, I have contacted technical support. They told me after resintalling a clean version to disable all non-m$ services and check one by one when corruption occurs again . This is very lenghty to do as corruption does not always appear at the same place once ZA has been restarted. Did somebody from the honourable assistance encounter the same problem ? Version ZoneAlarm Extreme Security: 11.0.000.038
Version Vsmon: 11.0.000.038
Version du pilote: 11.0.000.026
Version du moteur antivirus: 8.3.0.13
Version du fichier DAT de signature de l'antivirus: 1111195648
Version AntiSpam: 6.3.1.4973
ZoneAlarm Sécurité du navigateur: 1.5.393.22

Sorry this is not normal and not common. Probably the last time I heard about this was with version 7 some years ago. If you want to troubleshoot the issue you need to follow what support suggested as it is the only step to diagnose the problem.

Normally this is connected to conflicting software and/or broken or not supported network drivers/hardware.

You can speed up Selective Boot doing the following as suggested here.

Read # 4 : as already said in different threads you do not need to do it one by one. Just do it by a group of 4 or 5. This will be much faster and as soon as you find the group causing the issue then you can inspect 5 issues and not 30. Start enabling components from the services tab then move to the startup items.

You can speed up Selective Boot doing the following as suggested here.

Read # 4 : as already said in different threads you do not need to do it one by one. Just do it by a group of 4 or 5. This will be much faster and as soon as you find the group causing the issue then you can inspect 5 issues and not 30. Start enabling components from the services tab then move to the startup items.

That's the only way to resolve issue doing Selective Boot when third party components conflicting with ZoneAlarm.

Have a nice Day

Thank you for the help... Unfortunately, disabling all the non-M$ services has no effect on the problem. There is still one program that reenables itself (MAGIX) at boot but disabling it afterwards has no effect. The rest of the system is running normally so I don't expect any issue with the OS (sfc/scannow does not detect any error). I have examples of corrupt files (either completely scrambled form the beginning or incomplete). I don't think this could be hardware, the soft should detect it. Still checking....

Did ZA ever worked with your current configuration (OS, etc...)? If yes, try to update/reinstall all your network drivers/software. If no, then you are unlikely to resolve it. Also: Are the drivers on the system designed for WIN8or you installed WIN8 on top of an existing system?

Hello, I removed anything that might have been a bit old. All drivers are now built in 2009 or later. So far, no changes. Anyhow, I found that when solliciting a bit zonealarm, there was a background processing that sometimes fails to process all the backlog, and sometimes loops in kernel mode while permanently hanging another process. I uploaded 2 dumps to TS. My wild guess would be there is a kind of timeout on TCP packet recombination that causes all these problems. Sometimes an Http page pops up as "cannot reach the requested page" (or equivalent) and then all of a sudden the correct page is displayed. Note: I have a beta hardware for the internet connection, but I doubt this could be a cause of this problem.ZA has never been working 100% on my system.

If you have send the data to TS it will be looked at and possibly fixed if they manage to replicate it in-house. If it is a specific local hardware/driver issue then its unlikely to be replicated by TS.

Well the culprit might be secdrv unless TS fixed something in the AV. I removed all other drivers and replaced that driver with the one provided by Microsoft as a hotfix. Since then no problems. maybe a concidence ?

Last edited by guizop; April 3rd, 2013 at 12:09 AM.
Reason: Needed to add za forums in the secure site list

Was windows 8 installed over the top of an existing OS? If so, you may want to plan to have a clean install of windows 8 on the machine as compared to an upgrade leaving you exposed to vulnerability and stability potential issues.

The clean install may likely solve your conenction issues with ZA if still present.

I am revising the thread title to hint to the current solution. Please PM me in case you need to update this thread with new information.

Thank you very much for taking the time to report back on the progress!